Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / m68k / coldfire / vectors.c

diff --git a/kernel/arch/m68k/coldfire/vectors.c b/kernel/arch/m68k/coldfire/vectors.c
new file mode 100644 (file)
index 0000000..08923fe
--- /dev/null
+++ b/kernel/arch/m68k/coldfire/vectors.c
@@ -0,0 +1,70 @@
+/***************************************************************************/
+
+/*
+ *     vectors.c  -- high level trap setup for ColdFire
+ *
+ *     Copyright (C) 1999-2007, Greg Ungerer <gerg@snapgear.com>
+ */
+
+/***************************************************************************/
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <asm/traps.h>
+#include <asm/machdep.h>
+#include <asm/coldfire.h>
+#include <asm/mcfsim.h>
+#include <asm/mcfwdebug.h>
+
+/***************************************************************************/
+
+#ifdef TRAP_DBG_INTERRUPT
+
+asmlinkage void dbginterrupt_c(struct frame *fp)
+{
+       extern void dump(struct pt_regs *fp);
+       printk(KERN_DEBUG "%s(%d): BUS ERROR TRAP\n", __FILE__, __LINE__);
+       dump((struct pt_regs *) fp);
+       asm("halt");
+}
+
+#endif
+
+/***************************************************************************/
+
+/* Assembler routines */
+asmlinkage void buserr(void);
+asmlinkage void trap(void);
+asmlinkage void system_call(void);
+asmlinkage void inthandler(void);
+
+void __init trap_init(void)
+{
+       int i;
+
+       /*
+        *      There is a common trap handler and common interrupt
+        *      handler that handle almost every vector. We treat
+        *      the system call and bus error special, they get their
+        *      own first level handlers.
+        */
+       for (i = 3; (i <= 23); i++)
+               _ramvec[i] = trap;
+       for (i = 33; (i <= 63); i++)
+               _ramvec[i] = trap;
+       for (i = 24; (i <= 31); i++)
+               _ramvec[i] = inthandler;
+       for (i = 64; (i < 255); i++)
+               _ramvec[i] = inthandler;
+       _ramvec[255] = 0;
+
+       _ramvec[2] = buserr;
+       _ramvec[32] = system_call;
+
+#ifdef TRAP_DBG_INTERRUPT
+       _ramvec[12] = dbginterrupt;
+#endif
+}
+
+/***************************************************************************/